package com.itheima.treemap;

public class Student implements Comparable<Student>{
    private String name;
    private int age;

    public Student() {
    }

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }

    @Override
    public int compareTo(Student o) {
        //this表示要添加的对象，o表示红黑树里面已有的对象
        // 要求：按照学生年龄的升序排列，年龄一样按照姓名的字母排列，同姓名年龄视为同一个人
        int i = this.getAge() - o.getAge();
         i = i == 0 ? this.getName().compareTo(o.getName()) : i;
         return i;
    }
}
